The Activehome Professional software should now operate correctly. If you receive a message that states the device is not recognized, unplug the CM15A from the wall and computer. Remove its batteries, then plug it back in to the wall and computer. The device should now be recognized by your computer. If the problems persist, you should reinstall ActiveHome Pro. Make sure you download the latest version:

Go to Control Panel | Under ‘Programs’ selcect ‘Uninstall Programs’ then double click on Activehome Pro and walk through the uninstall wizard. Note: You may receive a message saying "Could Not Find Install.Log." If you get this, delete the folder at C:\Program Files\ActiveHome Pro. Run the ActiveHome Pro installer again, and repeat Step #1.

A window will pop up asking if you would like to do an ‘Automatic’ or ‘Custom’ uninstall. Select ‘Custom.’

Click on the ‘Select all’ button, and then the ‘next’ button on every screen in the Uninstall Wizard.

Click ‘Finish.’

Reboot the computer.

Open "My Computer". Go to C:\Program Files\Common Files.

Delete the X10 folder. If you receive a message that states you cannot delete this folder, go to step 8. If you can delete it, go to step 12.

Install the ActiveHome Pro software; plug in the CM15A or CM19A when prompted.

Reboot the computer again.

The ActiveHome Professional software should now operate correctly. If you receive a message that states the device is not recognized, unplug the CM15A from the wall and computer. Remove its batteries, then plug it back in to the wall and computer. The device should now be recognized by your computer.